It is normal in all modern operating systems for unused memory to be allocated 
to buffer cache, so over time the "free" memory Is expected to go down unless 
disk activity is near quiescent.  Some operating systems will combine "cache" 
and "free" memory to hide this from the casual user, but I consider this 
deceptive.

On 4/12/18, 9:34 PM, "sqlite-users on behalf of king3306" 
<sqlite-users-boun...@mailinglists.sqlite.org on behalf of 1809860...@qq.com> 
wrote:

    first thanks you reply 
    
    After running for some time  i found sqlite3_memory_used return value keep
    constant about 2M,but linux free memory is fewer and fewer,i make sure no
    other places are leaked,why?
    
    this whether or not a normal behavior?
    
    if not ,how can i to analysis this problem?  
    
    Looking forward to your answer
    
    
    
    --
    Sent from: http://sqlite.1065341.n5.nabble.com/
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